<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>day2-步骤器</title>
    <link rel="stylesheet" href="./index.css">
</head>
<body>
    
    <div class="container">
        <div class="progress">
            <div class="circle active">
                1
            </div>
            <div class="circle">
                2
            </div>
            <div class="circle">
                3
            </div>
            <div class="circle">
                4
            </div>
        </div>
        <div class="btn-box">
            <button class="pre" disabled>pre</button>
            <button class="next">next</button>
        </div>
    </div>

    <script src="./index.js"></script>
</body>
</html>